Limit Related Product::WordPress

/*function woo_related_products_limit() {
  global $product;
  
    $args['posts_per_page'] = 6;
    return $args;
}*/
add_filter( 'woocommerce_output_related_products_args', 'jk_related_products_args' );
  function jk_related_products_args( $args ) {
    $args['posts_per_page'] = 4; // 4 related products
    $args['columns'] = 206; // arranged in 2 columns
    return $args;
}